CN202766357U - Anaerobic treatment device of acrylic acid and ester mixing production waste water - Google Patents
Anaerobic treatment device of acrylic acid and ester mixing production waste water Download PDFInfo
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- CN202766357U CN202766357U CN2012204054242U CN201220405424U CN202766357U CN 202766357 U CN202766357 U CN 202766357U CN 2012204054242 U CN2012204054242 U CN 2012204054242U CN 201220405424 U CN201220405424 U CN 201220405424U CN 202766357 U CN202766357 U CN 202766357U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The utility model discloses an anaerobic treatment device of acrylic acid and ester mixing production waste water. The device comprises a tank body, wherein the tank body is divided into three main functional regions which are a water distribution region, a reaction region and a settlement region from bottom to top, a gas-liquid-solid separation device is arranged on the upper portion of the reaction region, a gas-liquid separation chamber which is connected to the gas-liquid-solid separation device is arranged on one side of the gas-liquid-solid separation device, the gas-liquid separation chamber is connected to a gas collecting device and an outer drainage collecting system respectively, a liquid inlet system which is communicated with the water distribution region is arranged on the outside of the tank body, a reflux liquid collecting system is arranged on the lower portion of the gas-liquid-solid separation device of the reaction region, and the reflux liquid collecting system is communicated with the liquid inlet system. The water is distributed evenly, the mass transfer efficiency inside a reactor is improved through the external cycle, and the device meets actual characteristics of acrylic acid and ester mixing production waste water.
Description
Technical field
The utility model relates to a kind of anaerobic processing device of acrylic acid and propynoic acid ester mixing factory effluent, belongs to sewage disposal biogas fermentation technical field anaerobism equipment.
Background technology
The general two step oxidation of propylene that adopt of method for producing propenoic acid, acrylic acid wastewater refers to the high concentrated organic wastewater that oxidation in the vinylformic acid production process, refined unit produce.Acrylic ester wastewater mainly comprises polyacrylic acid and salt thereof, vinylformic acid methyl ethyl ester, butyl acrylate, polyacrylamide, polyacrylonitrile etc., that vinylformic acid and other component are further reacted generation, therefore, in process of production, can produce the waste water of a large amount of high saliferous, high-enriched organics.The acrylic acid and propynoic acid ester factory effluent has become one of the most serious waste water of pollution in the chemical industry.Such waste water mainly contains following characteristics: higher, the complicated component of organic content in the acrylic acid wastewater, the pH value is low and vary within wide limits, and its main organic composition comprises acetic acid, formaldehyde, vinylformic acid and propenal etc., belongs to high density, difficult waste water.Acrylic ester wastewater is high, the complicated component of organic content not only, and salt concentration is also very high in the waste water, considerably beyond the salinity tolerance degree of biochemical treatment microbial strains.
At present, the treatment process of acrylic acid and propynoic acid ester factory effluent mainly is the heating power burning method, but construction, operation, maintenance cost are huge.In recent years, the processing direction of this waste water begin to turn to that expense is lower, on the biochemical process of extensive approval.But the treatment unit of anaerobic-aerobic biochemical process occurred adopting, because the anaerobism section apparatus exists the alkali dosage large, impact resistance is low, the reactor mass transfer effect is poor, fluctuation of service, and treatment effect is undesirable, be prone to the problems such as system crash, thereby can't promote on a large scale.
Summary of the invention
The purpose of this utility model is the deficiency for existing biochemical process treatment unit, and a kind of acrylic acid and propynoic acid ester industry reality that suits is provided, and meets the anaerobic reaction device of acrylic acid and propynoic acid ester factory effluent characteristics.
For achieving the above object, the utility model adopts following technical proposals:
A kind of anaerobic processing device of acrylic acid and propynoic acid ester mixing factory effluent, comprise tank body, be divided into the cloth pool in the described tank body from bottom to top, reaction zone, the settling region is totally three function of tonic chord districts, be provided with the gas-liquid-solid tripping device on the top of reaction zone, gas-liquid-solid tripping device one side is provided with coupled gas-liquid separation chamber, gas-liquid separation chamber links to each other with outer drainage collection system with gas collector respectively, the described tank body outside is provided with the feed liquor system that is connected with the cloth pool, gas-liquid-solid tripping device bottom is provided with the phegma gathering system in the reaction zone, phegma gathering system and feed liquor system connectivity.
Described gas-liquid-solid tripping device is triphase separator.
Described gas collector comprises the biogas pipe that is communicated with the upper end of gas-liquid separation chamber, and the biogas pipe is connected with the positive/negative pressure protector that is located at the tank body outside, and the positive/negative pressure protector protection domain is-300-2000Pa.
Described outer drainage collection system comprises water draining-collecting pparatus and the water shoot that is connected, and water draining-collecting pparatus is arranged at the settling region.
The feed liquor system comprises water absorption tube, fresh feed pump, feed distributor and feed distribution pipe; Fresh feed pump one end is connected with water absorption tube, and the other end is connected with several feed distribution pipes by feed distributor; The feed rate meter is installed between fresh feed pump and the feed distributor; Described feed distribution pipe is arranged at the cloth pool.
Each root of described some feed distribution pipes all is connected separately with feed distributor by independent valve, and the end of feed distribution pipe is connected in the tangential nozzle that arranges of circumference.
Described nozzle spray direction is 0-45 ° with the tangent line angle in the plane, sprays to the tank skin of tank body, and the nozzle flow speed control forms spiral upper upstream at reaction zone thus built in 2-5m/s, and wherein the bottom angular velocity of rotation is 0.4-1rad/s, and upflow velocity is 0.5-1.5m/h.
Described phegma gathering system comprises the circulating collection device that is arranged at top, tank body internal reaction district, and described circulating collection device is connected with water circulating pump by the outer circulating tube of tank body outside, and water circulating pump links to each other with the charging collector of feed liquor system; Described circulating collection device apart from its top gas-liquid-solid tripping device apart from 1-2.5m, the gully-hole opening upwards in the circulating collection device.
Described gas-liquid separation chamber top air room height exceeds outside liquid level 0.5-1.0m.
Described tank body top is provided with dome and lightning rod, and dome is provided with vision slit, pH in-line meter, temperature online instrument, and tank base is established mud discharging device.
The utility model principle of work: stoste enters fresh feed pump by water absorption tube and enter feed distributor after the metering of feed rate meter, phegma enters outer circulating tube after water circulating pump promotes by the circulation captation, after the metering of pump around circuit under meter, enter feed distributor, at this with after stoste is mixed, the tangential nozzle of circumference on the feed distribution pipe enters the cloth pool, in the cloth pool, form eddy flow, fully contact with the anaerobic sludge in the reactor, mix, mass transfer, under the hydraulic mixing effect, in reaction zone, form expanded bed, anaerobic sludge is finished the fermentation gas process, mud, water, gas is the spiral upper upstream attitude, behind the gas-liquid-solid tripping device, the part gas-liquid enters gas-liquid separation chamber carry out gas-liquid separation after biogas discharge by the biogas pipe, the biogas pipe connects positive/negative pressure protector, in the situation that superpressure or negative pressure occurs in the reactor guarantees reactor internal gas pressure balance by releasing pressure automatically; Gravity precipitating action realization mud-water separation is crossed in the liquid-solid settling region that enters of part, and mud returns and connects the water shoot outflow reactor after reaction zone sewage is collected by water draining-collecting pparatus, and unnecessary mud is then by the discharge of bottom mud discharging device.
It is online that reaction unit is provided with pH, and the detection systems such as temperature online, and the safety precaution such as lightning rod are guaranteed the normal steady running of anaerobic reaction device.Be provided with vision slit at the reaction unit dome and be convenient to make an inspection tour inner case, and be provided with inspection manhole in the bottom, when system overhaul, pass in and out for personnel.The normal steady running of anaerobic reaction device needs metastable temperature condition, avoids heat loss, and therefore thermal insulation layer is set outside tank body.
The beneficial effect of the technical program is: logical outer loop water mixes with stoste and has reduced the poisonous impact that inhibitory substance is arranged of stoste, raising system impact resistance, utilize simultaneously the basicity of phegma to reduce the dosage of alkali, even do not add, greatly saved medicament expense usefulness; The tangential nozzle of circumference makes realizes the eddy flow state in the tank, water distribution is more even; Form spiral upper upstream in the tank mud is fully contacted with sewage, strengthened rate of mass transfer, improved treatment effect; The backflow captation is located at the tank body middle and upper part, and the bottom of gas-solid-liquid three-phase separating device has guaranteed the separating effect of gas-liquid-solid tripping device to have reduced the loss of mud, has improved sludge retention effect in the reactor; Avoid the problem of system crash, more suited the actual features of acrylic acid and propynoic acid ester factory effluent.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Wherein 1. water absorption tubes, 2. fresh feed pump, 3. feed rate meter; 4. feed distributor, 5. water circulating pump, 6. pump around circuit under meter; 7. feed distribution pipe, 8. cloth pool, 9. outer circulating tube; 10. circulating collection device, 11. gas-liquid separation chamber, 12. positive/negative pressure protectors; 13. the biogas pipe, 14. domes, 15. dome vision slits; 16.pH online instrument, 17. temperature online instrument, 18. lightning rods; 19. the settling region, 20. water draining-collecting pparatus, 21. water shoots; 22. gas-liquid-solid tripping device; 23. reaction zone, 24. tank bodies, 25. thermal insulation layers; 26. inspection manhole, 27. mud discharging devices.
Embodiment
Below in conjunction with drawings and Examples the utility model is further set forth, should be noted that following explanation only is in order to explain the utility model, its content not to be limited.
As shown in Figure 1, this acrylic acid and propynoic acid ester mixing factory effluent anaerobic processing device, comprise reactor tank body, feed liquor system, water distribution system, phegma gathering system, gas-liquid-solid separation system, gas gathering system, outer drainage collection system, external circulating system, mud discharging device, be divided into water distribution, reaction, three function of tonic chord districts of precipitation in the described tank body from bottom to top.
Stoste enters fresh feed pump 2 by water absorption tube 1 and enter feed distributor 4 after 3 metering of feed rate meter, phegma enters outer circulating tube 9 after water circulating pump 5 promotes by circulation captation 10, after 6 meterings of pump around circuit under meter, enter feed distributor 4, at this with after stoste is mixed, the tangential nozzle of circumference on feed distribution pipe 7 enters cloth pool 8, the 8 interior formation eddy flows in the cloth pool, fully contact with the anaerobic sludge in the reactor, mix, mass transfer, under the hydraulic mixing effect, at reaction zone 23 interior formation expanded beds, anaerobic sludge is finished the fermentation gas process, mud, water, gas is the spiral upper upstream attitude, behind gas-liquid-solid tripping device 22, the part gas-liquid enters gas-liquid separation chamber 11 carry out gas-liquid separation after biogas discharge by the biogas pipe, biogas pipe 13 connects positive/negative pressure protectors 12, in the situation that superpressure or negative pressure occurs in the reactor guarantees reactor internal gas pressure balance by releasing pressure automatically; Mud-water separation is realized by the gravitational settling effect in the liquid-solid settling region 19 that enters of part, and mud returns and connects water shoot 21 outflow reactors after reaction zone sewage is collected by water draining-collecting pparatus 20, and unnecessary mud is then discharged by bottom mud discharging device 27.
In addition, it is online 16 that reaction unit is provided with pH, and the detection systems such as temperature online 17, and the safety precaution such as lightning rod 18 are guaranteed the normal steady running of anaerobic reaction device.Be provided with vision slit 15 at reaction unit dome 14 and be convenient to make an inspection tour inner case, and be provided with inspection manhole 26 in the bottom, when system overhaul, pass in and out for personnel.The normal steady running of anaerobic reaction device needs metastable temperature condition, avoids heat loss, therefore at the tank body 24 outer thermal insulation layers 25 that arrange.
Although above-mentionedly by reference to the accompanying drawings embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (10)
1. the anaerobic processing device of an acrylic acid and propynoic acid ester mixing factory effluent, comprise tank body, it is characterized in that, be divided into the cloth pool in the described tank body from bottom to top, reaction zone, the settling region is totally three function of tonic chord districts, be provided with the gas-liquid-solid tripping device on the top of reaction zone, gas-liquid-solid tripping device one side is provided with coupled gas-liquid separation chamber, gas-liquid separation chamber links to each other with outer drainage collection system with gas collector respectively, the described tank body outside is provided with the feed liquor system that is connected with the cloth pool, gas-liquid-solid tripping device bottom is provided with the phegma gathering system in the reaction zone, phegma gathering system and feed liquor system connectivity.
2. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 1 is characterized in that, described gas-liquid-solid tripping device is triphase separator.
3. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 1; it is characterized in that; described gas collector comprises the biogas pipe that is communicated with the upper end of gas-liquid separation chamber; the biogas pipe is connected with the positive/negative pressure protector that is located at the tank body outside, and the positive/negative pressure protector protection domain is-300-2000Pa.
4. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 1 is characterized in that, described outer drainage collection system comprises water draining-collecting pparatus and the water shoot that is connected, and water draining-collecting pparatus is arranged at the settling region.
5. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 1 is characterized in that, the feed liquor system comprises water absorption tube, fresh feed pump, feed distributor and feed distribution pipe; Fresh feed pump one end is connected with water absorption tube, and the other end is connected with several feed distribution pipes by feed distributor; The feed rate meter is installed between fresh feed pump and the feed distributor; Described feed distribution pipe is arranged at the cloth pool.
6. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 5, it is characterized in that, each root of described some feed distribution pipes all is connected separately with feed distributor by independent valve, and the end of feed distribution pipe is connected in the tangential nozzle that arranges of circumference.
7. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 6, it is characterized in that, described nozzle spray direction is 0-45 ° with the tangent line angle in the plane, spray to the tank skin of tank body, the nozzle flow speed control is built in 2-5m/s, form spiral upper upstream at reaction zone thus, wherein the bottom angular velocity of rotation is 0.4-1rad/s, and upflow velocity is 0.5-1.5m/h.
8. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 5, it is characterized in that, described phegma gathering system comprises the circulating collection device that is arranged at top, tank body internal reaction district, described circulating collection device is connected with water circulating pump by the outer circulating tube of tank body outside, and water circulating pump links to each other with the charging collector of feed liquor system; Described circulating collection device apart from its top gas-liquid-solid tripping device apart from 1-2.5m, the gully-hole opening upwards in the circulating collection device.
9. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 1 is characterized in that, described gas-liquid separation chamber top air room height exceeds outside liquid level 0.5-1.0m.
10. the anaerobic processing device of a kind of acrylic acid and propynoic acid ester mixing factory effluent as claimed in claim 1, it is characterized in that, described tank body top is provided with dome and lightning rod, and dome is provided with vision slit, pH in-line meter, temperature online instrument, and tank base is established mud discharging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204054242U CN202766357U (en) | 2012-08-15 | 2012-08-15 | Anaerobic treatment device of acrylic acid and ester mixing production waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204054242U CN202766357U (en) | 2012-08-15 | 2012-08-15 | Anaerobic treatment device of acrylic acid and ester mixing production waste water |
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| CN202766357U true CN202766357U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012204054242U Expired - Lifetime CN202766357U (en) | 2012-08-15 | 2012-08-15 | Anaerobic treatment device of acrylic acid and ester mixing production waste water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272121A (en) * | 2019-07-01 | 2019-09-24 | 台州市永丰纸业有限公司 | A kind of anerobic sowage reactor |
| CN110902822A (en) * | 2019-12-24 | 2020-03-24 | 大江环境股份有限公司 | Anoxic reactor capable of effectively improving denitrification effect |
| CN111717990A (en) * | 2020-06-04 | 2020-09-29 | 武汉泰昌源环保科技有限公司 | Anaerobic reactor for wastewater treatment and method for treating wastewater |
-
2012
- 2012-08-15 CN CN2012204054242U patent/CN202766357U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272121A (en) * | 2019-07-01 | 2019-09-24 | 台州市永丰纸业有限公司 | A kind of anerobic sowage reactor |
| CN110902822A (en) * | 2019-12-24 | 2020-03-24 | 大江环境股份有限公司 | Anoxic reactor capable of effectively improving denitrification effect |
| CN111717990A (en) * | 2020-06-04 | 2020-09-29 | 武汉泰昌源环保科技有限公司 | Anaerobic reactor for wastewater treatment and method for treating wastewater |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 101102 Zhongguancun science and Technology Park, Tongzhou science and Technology Park, Tongzhou District Jinqiao Science and technology industrial base, King Sheng South Street, No. four, 2C, 15 Patentee after: BGT INTERNATIONAL ENVIRONMENT TECHNOLOGY Co.,Ltd. Address before: 101102 Zhongguancun science and Technology Park, Tongzhou science and Technology Park, Tongzhou District Jinqiao Science and technology industrial base, King Sheng South Street, No. four, 2C, 15 Patentee before: BEIJING BGT INTERNATIONAL ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 101102 9th Floor, A8 Building, 20 Guangde Street, Jiugong Town, Daxing District, Beijing Patentee after: BESTTER GROUP Co.,Ltd. Address before: 101102 Beijing Tongzhou District Zhongguancun Science and Technology Park Tongzhou Park Jinqiao Science and Technology Industry Base No. 15 Jingsheng South Fourth Street 2C Patentee before: BGT INTERNATIONAL ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
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| CX01 | Expiry of patent term |